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Finding the Fourth Proportional to 9,445, 13,034.10 and 5,253.26

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Solution

The fourth proportional to 9,445, 13,034.10 and 5,253.26 is: 7,249.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    9,445 : 13,034.10 = 5,253.26 : x
  2. Step 2: Convert to fraction form
    9,445/13,034.10 = 5,253.26/x
  3. Step 3: Cross multiply
    9,445x = 13,034.10 × 5,253.26
  4. Step 4: Simplify right side
    9,445x = 68,471,516.17
  5. Step 5: Solve for x
    x = 68,471,516.17/9,445
  6. Step 6: Final answer
    x = 7,249.50

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.